package com.gdufs.secondhandwebsite.service;

import com.gdufs.secondhandwebsite.entity.User;

public interface UserService {
    void reg(User user);
    User login(String username, String password);
    public void changePassword(Integer user_id, String oldPassword, String newPassword);
    User getByUid(Integer uid);
    void changeInfo(Integer uid, User user);
}
